Usage: This square vision frame set includes one front frame and one back frame.These two frames joint together by metric or UNC bolt and nut.The glazing thickness and door thickness will be decided according to client requirement in 6mm,8mm,12mm (even 30mm,50mm) etc. These vision frames are fixed on the fireproof door of the high building,exit door,laboratory,warehouse,garage,etc.

These are the stainless steel welded nut and bolt used on this 450x450mm welded stainless steel square vision lite frame

Mention: This product picture just shows we have the ability to produce such kind of products.We can not sell this product to any other party without the permission of our original client.Welcome new clients offering design or drawings to us to produce.